Top Definition
Cotton Ass Crack or more commonly refered to as a crusty asshole is when, like cod mouth, your asshole becomes dry and skin starts to peel resulting in a burning and itching sensation on and around the asshole.
Dammit Ronda, get your lazy fat ass over here. My COTTON ASS CRACK itches like a mother-fucker and its peeling all over the damn couch.
by NICMOZ May 21, 2008

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